package com.lovegu.object.down;

/**
 * @author 老顾
 * @title: A
 * @projectName java-restudy
 * @email: 1437594522@qq.com
 * @date 2022/9/21 18:32
 */
abstract class A {
    abstract void m1();
    public void m2() {
        System.out.println("A类中定义的m2方法");
    }
}
